Hyper-V Enlightened VMCS feature was merged to KVM, enable it in Qemu. The feature gives us a significant performance boost for Hyper-V on KVM deployments.
The first patch of the series is posted for completeness only. Vitaly Kuznetsov (2): linux-headers: update x86: hv_evmcs CPU flag support linux-headers/asm-powerpc/kvm.h | 1 + linux-headers/asm-x86/kvm.h | 8 ++++++-- linux-headers/linux/kvm.h | 16 ++++++++++++++-- target/i386/cpu.c | 1 + target/i386/cpu.h | 1 + target/i386/hyperv-proto.h | 3 +++ target/i386/kvm.c | 22 +++++++++++++++++++--- 7 files changed, 45 insertions(+), 7 deletions(-) -- 2.17.2